package idv.loveloser.dao;

import java.util.List;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.criterion.Example;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * A data access object (DAO) providing persistence and search support for
 * MdlLessonAnswers entities. Transaction control of the save(), update() and
 * delete() operations can directly support Spring container-managed
 * transactions or they can be augmented to handle user-managed Spring
 * transactions. Each of these methods provides additional information for how
 * to configure it for the desired type of transaction control.
 * 
 * @see idv.loveloser.dao.MdlLessonAnswers
 * @author MyEclipse Persistence Tools
 */

public class MdlLessonAnswersDAO extends BaseHibernateDAO {
	private static final Logger log = LoggerFactory
			.getLogger(MdlLessonAnswersDAO.class);
	// property constants
	public static final String LESSONID = "lessonid";
	public static final String PAGEID = "pageid";
	public static final String JUMPTO = "jumpto";
	public static final String GRADE = "grade";
	public static final String SCORE = "score";
	public static final String FLAGS = "flags";
	public static final String TIMECREATED = "timecreated";
	public static final String TIMEMODIFIED = "timemodified";
	public static final String ANSWER = "answer";
	public static final String ANSWERFORMAT = "answerformat";
	public static final String RESPONSE = "response";
	public static final String RESPONSEFORMAT = "responseformat";

	public void save(MdlLessonAnswers transientInstance) {
		log.debug("saving MdlLessonAnswers instance");
		try {
			getSession().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(MdlLessonAnswers persistentInstance) {
		log.debug("deleting MdlLessonAnswers instance");
		try {
			getSession().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public MdlLessonAnswers findById(java.lang.Long id) {
		log.debug("getting MdlLessonAnswers instance with id: " + id);
		try {
			MdlLessonAnswers instance = (MdlLessonAnswers) getSession().get(
					"idv.loveloser.dao.MdlLessonAnswers", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(MdlLessonAnswers instance) {
		log.debug("finding MdlLessonAnswers instance by example");
		try {
			List results = getSession()
					.createCriteria("idv.loveloser.dao.MdlLessonAnswers")
					.add(Example.create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding MdlLessonAnswers instance with property: "
				+ propertyName + ", value: " + value);
		try {
			String queryString = "from MdlLessonAnswers as model where model."
					+ propertyName + "= ?";
			Query queryObject = getSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByLessonid(Object lessonid) {
		return findByProperty(LESSONID, lessonid);
	}

	public List findByPageid(Object pageid) {
		return findByProperty(PAGEID, pageid);
	}

	public List findByJumpto(Object jumpto) {
		return findByProperty(JUMPTO, jumpto);
	}

	public List findByGrade(Object grade) {
		return findByProperty(GRADE, grade);
	}

	public List findByScore(Object score) {
		return findByProperty(SCORE, score);
	}

	public List findByFlags(Object flags) {
		return findByProperty(FLAGS, flags);
	}

	public List findByTimecreated(Object timecreated) {
		return findByProperty(TIMECREATED, timecreated);
	}

	public List findByTimemodified(Object timemodified) {
		return findByProperty(TIMEMODIFIED, timemodified);
	}

	public List findByAnswer(Object answer) {
		return findByProperty(ANSWER, answer);
	}

	public List findByAnswerformat(Object answerformat) {
		return findByProperty(ANSWERFORMAT, answerformat);
	}

	public List findByResponse(Object response) {
		return findByProperty(RESPONSE, response);
	}

	public List findByResponseformat(Object responseformat) {
		return findByProperty(RESPONSEFORMAT, responseformat);
	}

	public List findAll() {
		log.debug("finding all MdlLessonAnswers instances");
		try {
			String queryString = "from MdlLessonAnswers";
			Query queryObject = getSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public MdlLessonAnswers merge(MdlLessonAnswers detachedInstance) {
		log.debug("merging MdlLessonAnswers instance");
		try {
			MdlLessonAnswers result = (MdlLessonAnswers) getSession().merge(
					detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(MdlLessonAnswers instance) {
		log.debug("attaching dirty MdlLessonAnswers instance");
		try {
			getSession().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(MdlLessonAnswers instance) {
		log.debug("attaching clean MdlLessonAnswers instance");
		try {
			getSession().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}
}